Lab mechanical balance scale

Description

FIG. 1 is a perspective view of the lab mechanical balance scale showing my new design;

FIG. 2 is a perspective view thereof from another angle;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a right side elevational view thereof;

FIG. 7 is a top plan view thereof; and,

FIG. 8 is a bottom plan view thereof.

The broken lines shown in the drawings represent portions of the lab mechanical balance scale that form no part of the claimed design.

Claims

The ornamental design for a lab mechanical balance scale, as shown and described.